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The research of control and protection in Micro grid technology is key to distributed generation(DG), such as wind power, Photovoltaic (PV) power generation, tidal power and so on. Through DC-AC converter or AC-DC-AC converter the renewable energy supply power to the loads, so the power electronics technology has a decisive role in DG and Micro grid technology based on renewable energy. In this paper,...
Cascaded multilevel inverters appear as a promising solution in the development of AC power supplies for renewable energy sources, particularly those with DC output. This paper addresses the development of a distributed generation system consisting of a multilevel inverter supplied by fuel cells and controlled by fuzzy logic. The proposed system operates in grid-connected as well as in stand alone...
The research of Micro-grid technology has been a hot spot of distributed energy systems; moreover, micro-source (MS), the control and protection of micro-grid are key issues to the micro-grid technology research. Most of the MS are renewable energies such as wind power, Photovoltaic (PV) power generation, tidal power and so on, which must pass through the DC-AC/AC-DC-AC conversion equipment when supply...
In this paper the authors present a multilevel inverter controlled by fuzzy logic. This system is particularly interesting when a number of distinct renewable energy DC sources, such as photovoltaic systems or fuel cells are available. After a description of the general system architecture and its controller, system performance are evaluated by means of simulations.
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